javax.faces.component.ContextCallback Maven / Gradle / Ivy
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package javax.faces.component;
import javax.faces.context.FacesContext;
/**
*
* A simple callback interace that enables taking action on a
* specific UIComponent (either facet or child) in the view while
* preserving any contextual state for that component instance in the
* view.
*
*/
public interface ContextCallback {
/**
* This method will be called by an implementation of {@link
* UIComponent#invokeOnComponent} and must be passed the component
* with the clientId given as an argument to
* invokeOnComponent. At the point in time when this
* method is called, the argument target is guaranteed
* to be in the proper state with respect to its ancestors in the
* View.
*
* @param context the FacesContext for this request.
*
* @param target the {@link UIComponent} that was located by
* clientId by a call to {@link
* UIComponent#invokeOnComponent}.
*/
public void invokeContextCallback(FacesContext context,
UIComponent target);
}